Patent for a cattle-guard for railroads that is "a series of plates or slates mounted with the capability of partial or complete rotation on axes substantially parallel with the rails and between the said rails and on either side of the track so as to span the road bed or space between the ends of the fence" (lines 25-31). The plates have longitudinal flanges with serrated edges.When the cattle step on the guard, they will experience pain and avoid the spot.

Patent for a switch-operating mechanism than "may be changed quickly and positively from a moving car" (lines 15-16).

Patent for a mosquito-net frame that can support a tester, but does not require one to operate. The net can be draped over a bed and moved out of the way again without interfering with the tester.